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LITTLELOCOS MODEL ENGINEERING
Handy Lathe Charts
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for the Home Metal-Shop Hobbyist
& Model Engineering Projects
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July 1, 2015 - The Parsell & Weed Ad Appears in Home Shop Machinist
Our first engine offering is nearing completion and has officially been advertised in the Home Shop Machinist magazine.  True-to-form, bringing the Parsell & Weed back to market after a 20+ year hiatus has been more of an effort than we had imagined.  This has been a very rewarding journey and has pushed Todd's skills and knowledge.  Learning new things (especially pattern making and foundry work) is ALWAYS a good thing!
 
 
We will post updates here periodically; however, for more up-to-date info, be sure to visit our Facebook Page.
 
July 31, 2015 - Highlights from our Facebook Page - January 2013 - Present
Over the past several years, we have relied heavily on our Facebook page to post updates on all things Littlelocos Model Engineering.  As of July 2015, we are copying most of that content to our NEWS Page here.  Enjoy!
 
 

July 21, 2015

Pouring Basins - Done! Here are the various stages the little side project of making a set of pouring basins for the P&W matchplates. Rough aluminum castings through the rubber molds for the 1 and 3 leg basins. Time to start putting things together!

 
 

July 19, 2015

Testing, testing.... Just finished the "test plate" to try out the adhesives, wood, patterns, fillers, and most-importantly, the finish on the plates before I start assembling 7 (Yes, 7!) matchplates between now and next Monday. Fillets and finish for the little plate tomorrow.

 
 

July 18, 2015

Transplant complete! Needing a three outlet pouring basin pattern, but only having one with two, I took two patterns that I had already cast in resin, and then transplanted the outlet from one to the other. Now I've got a single, double, and a triple! These two are the masters and will be duplicated using urethane rubber and resin as was done for the other patterns.

 
 

July 18, 2015

More patternmaking this weekend - planning to take the new patterns to the foundry Monday, July 27th. The following video is about the best I've found for the process being used to produce the sand moulds. In 1-minute-11, we go from inserting the pattern into the flask, riddling in the pattern sand, filling the flask, jolting, squeezing, flipping, repeating, cutting the sprue, removing the pattern, cleaning up, and then removing the flask getting ready for the next round. Enjoy!

Gartland Foundry - Iron Molding with Jolt & Squeeze

 
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July 11, 2015

Shop Cat, Olive, has approved my match plate sketch, now it's off to the wood shop to make 6 of them.

 
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July 11, 2015

I fielded an interesting question about the Pip Radial Engine project this evening and thought others may find the question and response interesting......Can Pip be built as a spark-ignition engine?

 

Here's the answer: "When designing Pip, I gave no thought, whatsoever to making it a sparky. In fact, I intentionally pushed away from spark ignition. For that reason, it has no cam shaft or any other rotating means to “time” the ignition. (Being glow ignition, it relies on ...the fuel’s and the glow plug’s characteristics to effect the “timing”.)

 

That said, one possible approach is to add to the cam an aluminum disk with one or more embedded magnets to time electronically via Hall Effect. The pick-up for this would need to be mounted in the front of the crankcase."

 

This sounds like it could be a lot of fun to try! While looking into the response, I stumbled across an interesting view of the engine that I put together for an Australian reader of

Model Engine Builder magazine to show that, in fact, the engine did fit together as drawn.

 

Discussion and questions are always welcome.  Enjoy!

 

July 8, 2015

More Big News: Joy and Todd met with the good folks at Cochrane Foundry in York, PA on Friday regarding the Parsell & Weed and Essex engine castings. Now, Todd's taking what he's learned and applying it to finishing up the patterns for production. In a few weeks, we'll be heading back with a fresh set of match plates.

 
Web page contents, chart concept and design, engine designs and all information contained here is copyright Littlelocos Model Engineering © 2003, 2017

July 26, 2015

It's a match!  Match-drilling the cope and drag halves of a vertical bearing stand pattern. 1 down, 16 to go!

 
 

July 26, 2015

Mount Up!  All 89 pattern pieces for the Vertical engine are complete and ready to mount to 5 separate matchplates. Now to wrap up the boards, runners and gates!

 
 

July 26, 2015

We are pushing back the foundry run by a week and (barring any unforeseen circumstances) plan to go next Monday, August 3rd. This pushes the project kit release back again; however, We'd rather have everything done to our standards than to push something out that were not happy with. Stay tuned.....

 
 

July 28, 2015

Worked all day yesterday, laying out and drilling the matchplates. Next step, cement the pouring basins, followed by the runners and gates. Ingates and patterns soon after that. Saturday should be Lacquer-day as each plate needs two coats once assembled.

 
 

July 29, 2015

Assembly begins. Pouring basins and drag runners epoxied in place. Checking layouts with patterns. These will be cemented tomorrow. All smiles for a major milestone

 
 
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